<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>博客列表</title>
    <link rel="stylesheet" href="css/list.css">
    <link rel="stylesheet" href="css/blog_list.css">
    <link rel="stylesheet" href="css/conmmon.css">

    <style>
        
        .nav{
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 50px;
        }
        .container{
            padding-top: 80px;
            height: auto;
        }
        .container-right{
            width: auto;
        }
        .blog-pagnation-wrapper{
            height: 40px;
            margin: 16px 0;
            text-align: center;
        }
        .blog-pagnation-item{
            display: inline-block;
            padding: 8px;
            border: 1px solid #d0d0d5;
            color: #333;
        }
        .blog-pagnation-item:hover{
            background: #4e4eeb;
            color: #fff;
        }
        .blog-pagnation-item.actvie{
            background: #4e4eeb;
            color: #fff;
        }

    </style>
        <script src="js/jquery.min.js"></script>
        <script src="js/urltools.js"></script>
        <script src="js/logout.js"></script>
    </script>
</head>

<body>
    <!-- 导航栏 -->
    <div class="nav">
        <img src="img/logo2.jpg" alt="">
        <span class="title">我的博客系统</span>
        <!-- 用来占据中间位置 -->
        <span class="spacer"></span>
        <a href="myblog_list.html">我的主页</a>
        <a href="blog_add.html">写博客</a>
        <a href="login.html">登陆</a>
        <a href="blog_drafts.html" >草稿箱</a>
        <a href="Javascript:logout()">注销</a>

        <!--这里要根据具体情况去改变-->
        <!-- <a href="#">注销</a> -->
    </div>
    <!-- 版心 -->
    <div class="container">
        <!-- 右侧内容详情 -->
        <div class="container-right" style="width: 100%;">
            <div id="artlist" >
                <div class="blog" >
                    <div class="title">我的第一篇博客</div>
                    <div class="date">2021-06-02</div>
                    <div class="desc">正文</div>
                    <a href="blog_content.html?id=1" class="detail">查看全文 &gt;&gt;</a>
                </div>
                <!-- 每一篇博客包含标题, 摘要, 时间 -->
            </div>

                <hr>
                <div id="pageDiv" class="blog-pagnation-wrapper">
                    <button class="blog-pagnation-item" onclick="doFirst()">首页</button>
                    <button class="blog-pagnation-item" onclick="doPre()">上一页</button>
                    <button class="blog-pagnation-item" onclick="doNext()">下一页</button>
                    <button class="blog-pagnation-item" onclick="doLast()">末页</button>
                </div>
        </div>
    </div>
    <script>
        var pageIndex = 1;
        var pageSize = 2;
        var pageCount = 1;
        //初始化参数0 
        function pageInit(){
            var paramPageIndex = getParamByKey("pageIndex");
            var paramPageSize = getParamByKey("pageSize");
            if(paramPageIndex!=null){
                pageIndex = paramPageIndex;
            }
            if(paramPageSize!=null){
                pageSize = paramPageSize;
            }

            doAjax();
        }
        pageInit();
        //点击首页
        function doFirst(){
            if(pageIndex<=1){
                alert("目前已经处于首页！！！");
                return false;
            }
            pageIndex = 1;
            location.href = "blog_list.html?pageIndex="+pageIndex+"&pageSize"+pageSize;
        }
        //点击上一页
        function doPre(){
            if(pageIndex<=1){
                alert("目前已经处于首页！！！");
                return false;
            }
            --pageIndex;
            location.href = "blog_list.html?pageIndex="+pageIndex+"&pageSize"+pageSize;

        }
        //点击下一页
        function doNext(){
            if(pageIndex>=pageCount){
                    alert("抱歉：您已经在末页了，无需跳转！");
                    return false;
            }
            ++pageIndex;
            location.href = "blog_list.html?pageIndex="+pageIndex+"&pageSize"+pageSize;

        }
        //点击尾页
        function doLast(){
            if(pageIndex>=pageCount){
                    alert("抱歉：您已经在末页了，无需跳转！");
                    return false;
            }
            location.href = "blog_list.html?pageIndex="+pageCount+"&pageSize="+pageSize;
        }
        //请求后端  得到数据
        function doAjax(){
            jQuery.ajax({
                url:"/art/getAllArticleByPage",
                type:"POST",
                data:{ "pageIndex":pageIndex,
                        "pageSize":pageSize
                    },
                success:function(res){
                    if(res.code==200 && res.data.length>0){
                        //从后端查询到数据，进行列表拼接和展示
                        var artListHtml = "";
                        for(var i=0;i<res.data.length;i++){
                            var item = res.data[i];
                            artListHtml +='<div class="blog">'; 
                                artListHtml +='<div class="title">'+item.title+'</div>';  
                                artListHtml +='<div class="date">'+item.createtime+'</div>';
                                artListHtml +='<div class="desc">'+item.content+'</div>';
                                artListHtml +='<a href="blog_content.html?id='+item.id+'" class="detail">查看全文&gt;&gt;</a>';
                                artListHtml +='</div>';
                        }
                        jQuery("#artlist").html(artListHtml);
                        jQuery("#pageDiv").show();
                    }else{
                        jQuery("#pageDiv").hide();
                        jQuery("#artlist").html("<h2 style='margin-left:20px;margin-top:10px'>暂无文章</h2>");
                    }
                }
            });
            //2.查询文章的总条数
            jQuery.ajax({
                url:"/art/getcount",
                type:"POST",
                data:{},
                success:function(res){
                    if(res.code == 200 && res.data>0){
                        //计算总页数
                        pageCount = Math.ceil(res.data/pageSize);
                    }
                }
            });
        }

        function isLogin() {
                jQuery.ajax({
                    url:"/user/islogin",
                    type:'post',
                    data:{},
                    success:function(res) {
                        if(res.code == 200 && res.data == 1) {
                            // 用户已经登陆, 隐藏登陆按钮
                            jQuery("#notLogin").hide();

                        }else {
                            jQuery("#LoginShow").hide();

                        }
                    }
                });
            }   
            isLogin();
    </script>
</body>
</html>